Help Center> Data Security Center> API Reference> API Description> Image Watermarking> Extracting Invisible Watermarks from Images
Updated on 2024-05-27 GMT+08:00
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Extracting Invisible Watermarks from Images

Function

This API is used to extract invisible image watermarks from images. You need to pass a watermarked image in formData format to this API. DSC returns the binary stream of the extracted invisible watermark. Currently, the supported image formats include .jpg, .jpeg, .jpe, .png, .bmp, .dib, .rle, .tiff, .tif, .ppm, .webp, .tga, .tpic, and .gif.

URI

POST /v1/{project_id}/image/watermark/extract-image

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is a token.
Table 3 FormData parameters

Parameter

Mandatory

Type

Description

file

Yes

File

Image file from which invisible watermarks are to be extracted.

Response Parameters

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error_code

String

Error Code

error_msg

String

Error Message

Example Requests

Extract the invisible watermark from image "test.PNG".

The request is submitted through a form. In the request, "file" indicates a specific file.

POST /v1/{project_id}/image/watermark/extract-image HTTP/1.1

{
  "file" : "test.PNG"
}

Example Responses

Status code: 200

Request succeeded.

"{\"image\"}"

Status code: 400

Invalid request.

{
  "error_code" : "DSC.00000007 ",
  "error_msg" : "File format error"
}

Status Codes

Status Code

Description

200

Request succeeded.

400

Invalid request.

Error Codes

See Error Codes.

Parent topic: Image Watermarking